P0998APAW51BCP30MIWBundledSolution-240Vac
TSXCANCD50
AUSG/DAE模塊87.201.529-01-G/87.201.529-01-H
XPEHEW-L1-2T0-R5-FCREELTD
1336F-AQF10-AF-DE
140EHC20200C
TC530
7ML1998-5FH06
GEAC425R
CP-9200SH/SVAJACP-921900
ALLENBRADLEY2711-K9A3USPP2711K9A3
7ML1830-1JE
7ME3950-3HN00
1336F-B600A-AA-EN
AllenBradley1756-L61/B1756L61Logix5561Processor
2711P-K15C4D1
AM-SA85-002
HCS02_1E-W0012-A-03-NNNN
171CCS76000
OMRONE2E-VX10C2NSFPE2EVX10C2
6ES7312-1AD10-0AB0
3HNM11725-1COVER,BACK
VDIF0645452302
SYSTEMX3850X5
3HNA003185-001HOSE4x6PA,BU
MECOSMBE3-501
TWDFTB2T10
2711-K5A5L1
6ES5945-7UA21
XPCWHTL1000000AE4CRE
IC647SPMP100
169Plus169Plus-120N-125VDC1
NT600M-DT211優(yōu)質(zhì)低價(jià)
MCH41A0037-2A3-4-0T08276889
7XV5700-0CB00
TSXP573623M
專用標(biāo)樣ReferenceUV-1050
1756-OF6CI
TRICONEX8105
ABB5366368-B
R911306665HAS01.1-125-NNN-CN
1784-DPC1
NICEAB1761-L32AWAMICROLOGIC1000CONTROLLERPLC
71-051-223庫(kù)卡
3HAC023195-001
6ES7953-8LG11-0AA0
IS215UCVEM06A
MCH40A0110-203-4-0T08276455
XMLAWT-0-8B2-T30-0LCREELTD
6FC5147-0AA15-0AA1
parkerOEM-750驅(qū)動(dòng)器
KEBACU313/C1
TERADYNE950-563-04
140U-JD0D3-D20
ALLEN-BRADLEY2711E-K10C6PANELVIEW1000e10.4inCOLORFLATPANELDISPLAYNIB**
ABB3BSE013281R1/TC514V2
AllenBradleyAuxiliaryContactBlock#1495-G1~New
ASEA BROWN BOVERI HEIG301648R1 USPP HEIG301648R1
6ES7321-1FF10-0AA0
ASEA BROWN BOVERI 2918/509-1 USPP 29185091
3BSE028926R1
1771N-4FFFFNNNN
7ML1830-1BQ
PHOTOSWITCH42KL-P2TC-G3NSFP42KLP2TCG3
MC-4/11/03/400
NEWALLENBRADLEY2711-B5A2PV5502711B5A2NIB2011
1756-M13
150A05NCAB150A05NC
HAS02.1-003-NNN-NN/R911306331
MAC112B-1-LD-1-B/130-A-1/-I00625
MCF40A0450-503-4-0008267499
140ARI03010
100-PWD23M
P0901VN80MbHardDiskDrive(w/AP10SW)WorkstationMtg
AB2711-KC1
1756sc-IF8u
YOKOGAWASC200S1
C500-PS222E
EMERSONDeltaVKJ4001X1-BE1
AllenBradley2711P-T10C15D12711PT10C15D1
KDA2.1-150-300-A00-W1
DSQC365
IC660BCM501
IC647PDCH200
霍尼韋爾TP-OPADP1-201操作鍵盤附件
瑞恩DCVR-3/SC-68224
EMERSONDeltaVKJ4001X1-CA1
TK-PRR021
ROSSD3573A6181
MSD0431XX
這里,我們從工控軟件體系結(jié)構(gòu)而不是個(gè)別軟件功能的角度介紹PLC和工控機(jī)的應(yīng)用軟件應(yīng)該具備的特性。微軟為制造業(yè)的分布式網(wǎng)絡(luò)結(jié)構(gòu)提出了一個(gè)功能強(qiáng)大的概念,它包括了企業(yè)資源規(guī)劃(ERP)和制造資源規(guī)劃(MRP)的主要功能、控制、人機(jī)界面與數(shù)據(jù)采集和監(jiān)控(SCADA)、制造執(zhí)行系統(tǒng)(MES)、批量控制與設(shè)備界面等,但它們同時(shí)增加了用戶成本以及共享數(shù)據(jù)的難度。
編程器是PLC必不可少的重要外部設(shè)備。編程器將用戶所希望的功能通過編程語(yǔ)言送到PLC的用戶程序存儲(chǔ)器中。編程器不僅能對(duì)程序進(jìn)行寫入、讀出、修改,還能對(duì)PLC的工作狀態(tài)進(jìn)行監(jiān)控,同時(shí)也是用戶與PLC之間進(jìn)行人機(jī)對(duì)話的界面。隨著PLC的功能不斷增強(qiáng),編程語(yǔ)言多樣化,編程已經(jīng)可以在計(jì)算機(jī)上完成。
140CRP81100
1756-OB16IEFS
FX2N-128MR-001【現(xiàn)貨】
7ME3940-2PA00
1756-L61
BoschSE2000608830123SE2001?
ALLENBRADLEY1757-SRC1NSFP1757SRC1
AS-B802
1336F-B300-AN-EN-CM
ALLENBRADLEY2711-PRP6USPP2711PRP6
35AE92
DDS02.1-A150-D
2711-K6C1L1AllenBradleypanelview2711K6C1L1F-8
140CRA21120
MM16MP001
AllenBradley2711-T10C20/E2711T10C20Panelview
DSDP170
VS-626M5 CIMR-M5N2018 AC
7ML1830-1GN
REXNORDSELFALIGNINGROLLERBEARINGMODEL#ZF5115S
INNIS21
6ES5441-5AA12
6ES7307-1EAOO-0AA0
IC697CMM742
p0916DC
SAN3-120S
TSXDSZ32R5
VMIVME-1182
840USE41900
12FSDC6501FA2CIRCUITBOARD,FISHERCONTFSDC6501FA2VDVDISPLAYGENERATOR3
RexrothBTV06.1HN-RS-FW
1756-PB72
1771-OFE2
W510-004
IMPCC01低價(jià)銷售貝利模塊
三菱PLCFX2N-32MT
140CPU67160
MDD090C-N-030-N2L-110-GBO
2711P-B12C15D1
IC697ALG440
AllenBradley1756-L63/AProcessLNC
AB1771-DR/ARevA/1771DRLogicController
SQUAREDSY/MAX8020SCP423
ALLENBRADLEYPANELVIEW2711-T10C152711T10C15SERIESC
5370-CVIM
TK-PRR021(51309283-300)
AB1769-L23E-QBFC1B控制器
140CRP93200
CC-PAIN01PWAHLAIMODULEASSYG3
霍尼韋爾30731808-001
1336F-B040-AN-EN-GM6
3HNA004875-001CABLEAA.X4-X114,115,124,125
ACCU-SORTSWITCHINGPOWERSUPPLYMODEL#VU202DKA0200F5...
XMLAWT-0-4C0-T60-0LCREELTD
3HNA011929-001CABLEAC-AMMAIN7+3
NEWALLENBRADLEYPV6002711-T6C5L12711T6C5L1NIB
A20B-8100-0144
VDIA-50200
VARISPEED 616G5 CIMR-G5A21P5 AC 3PH
16137-117
程序執(zhí)行根據(jù)PLC梯形圖程序掃描原則,按先左后右先上后下的步序,逐句掃描,執(zhí)行程序。遇到程序跳轉(zhuǎn)指令,根據(jù)跳轉(zhuǎn)條件是否滿足來決定程序的跳轉(zhuǎn)地址。從用戶程序涉及到輸入輸出狀態(tài)時(shí),PLC從輸入映象寄存器中讀出上一階段采入的對(duì)應(yīng)輸入端子狀態(tài),從輸出映象寄存器讀出對(duì)應(yīng)映象寄存器,根據(jù)用戶程序進(jìn)行邏輯運(yùn)算,存入有關(guān)器件寄存器中。對(duì)每個(gè)器件來說,器件映象寄存器中所寄存的內(nèi)容,會(huì)隨著程序執(zhí)行過程而變化
接地過電流保護(hù)。逆變器負(fù)載側(cè)接地設(shè)計(jì),為了保護(hù)逆變器,有時(shí)要有接地過電流保護(hù)功能。但為了確保人身安全,需要裝設(shè)漏電斷路器。冷卻風(fēng)機(jī)異常。有冷卻風(fēng)機(jī)的裝置,當(dāng)風(fēng)機(jī)異常時(shí)裝置內(nèi)的溫度將上升。因此采用風(fēng)機(jī)熱繼電器或器件散熱片傳感器,檢出異常后停止逆變器。
WOODHEADSST-PFB-CLX1
IC647HSTCS1000KM
IC600CM554RR
6SE7090-0XX84-3DB0DTI數(shù)字測(cè)速機(jī)接口板
7RE4301-2CB00
2711-CT6C
ACS3-230/20-01-200
80190-380-02-R
1756-IN16AllenBradleyControlLogix1756IN16N140
西門子6SC6500-0GC10電源板
6ES7461-0AA00-7AA0
30735974-002
DEWE-RACKNI-MIO-16E現(xiàn)貨
545-1105
3HAC033060-001Calibrationbracket